Question 3

Soil conservation measures are mainly aimed at protecting which of the following?
(a) Plants
(b) Topsoil
(c) Subsoil
(d) Soil organisms

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Solution

The answer is option (b).

Soil conservation measures mainly aim at protecting topsoil. Topsoil (A Horizon) is rich in humus and minerals and is dark in colour. This layer is soft, porous and can retain more water. It contains nutrients which makes it fertile to grow plants.

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(c) subsoil
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(a) Topsoil
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Question 18
Top-soil contains the following

(a) Humus and living organisms only
(b) Humus and soil particles only
(c) Humus, living organisms and plants
(d) Humus, living organisms and soil particles.

Q. Question 18
Top-soil contains the following

(a) Humus and living organisms only
(b) Humus and soil particles only
(c) Humus, living organisms and plants
(d) Humus, living organisms and soil particles.

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Question 3 Soil conservation measures are mainly aimed at protecting which of the following? (a) Plants (b) Topsoil (c) Subsoil (d) Soil organisms

The answer is option (b). Soil conservation measures mainly aim at protecting topsoil. Topsoil (A Horizon) is rich in humus and minerals and is dark in colour. This layer is soft, porous and can retain more water. It contains nutrients which makes it fertile to grow plants.

Question 3

Soil conservation measures are mainly aimed at protecting which of the following?
(a) Plants
(b) Topsoil
(c) Subsoil
(d) Soil organisms

The answer is option (b).

Soil conservation measures mainly aim at protecting topsoil. Topsoil (A Horizon) is rich in humus and minerals and is dark in colour. This layer is soft, porous and can retain more water. It contains nutrients which makes it fertile to grow plants.